<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        function Sta(name,age){
            this.name=name;
            this.age=age;
        }
    // 原型对象
        Sta.prototype.show=function(){
            console.log("演员")
        }
        let s=new Sta("胡歌",20)
        console.log(s)
        s.show()
    </script>
</body>
</html>